attr

attr(namespace: Namespace | Null = null, name: String): PathElement

This function creates a PathElement to use for selecting an XML attribute and populates the type’s selector field with the given string.

Some versions of the update and mask functions accept a PathElement as an argument.

Introduced in DataWeave version 2.2.2.

Parameters

Name Description

Name	Description
`namespace`	The namespace of the attribute to select. If not specified, a null value is set.
`name`	The string that names the attribute to select.

namespace

The namespace of the attribute to select. If not specified, a null value is set.

name

The string that names the attribute to select.

Example

This example creates an attribute selector for a specified namespace (ns0) and sets the selector’s value to "myAttr". In the output, also note that the value of the "kind" key is "Attribute".

Source

%dw 2.0
output application/json
import * from dw::util::Values
ns ns0 http://acme.com/fo
---
attr(ns0 , "myAttr")

Output

{
   "kind": "Attribute",
   "namespace": "http://acme.com/foo",
   "selector": "myAttr"
 }